'GRABBER' is a weird name, all other types map to the /dev
device names. Rename to 'VIDEO' to be consistent with the
other types.
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Use the newer API returning an ERRPTR and use the new helper to bail
out.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Move from the deprecated i2c_new_probed_device() to the new
i2c_new_scanned_device(). Make use of the new ERRPTR if suitable.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Acked-by: Sean Young <sean@mess.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
The AVerMedia CE310B is a simple composite + S-Video + stereo audio
capture card, and uses only the CX23888 to perform all of these
functions.
I've tested both video inputs and the audio interface and confirmed that
they're all working. However, there are some issues:
* Sometimes when I switch inputs the video signal turns black and can't
be recovered until the system is rebooted. I haven't been able to
determine the cause of this behavior, nor have I found a solution to
fix it or any workarounds other than rebooting.
* The card sometimes seems to have trouble syncing to the video signal,
and some of the VBI data appears as noise at the top of the frame, but
I assume that to be a result of my very noisy RF environment and the
card's unshielded input traces rather than a configuration issue.
Signed-off-by: Forest Crossman <cyrozap@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
In cx23888_ir_probe if kfifo_alloc fails the allocated memory for state
should be released.
Signed-off-by: Navid Emamdoost <navid.emamdoost@gmail.com>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
The V4L2 core sets the description for the driver in order to ensure
consistent naming.
So drop the strscpy of the description in drivers. Also remove any
description strings in driver-internal structures since those are
no longer needed.
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Instead of filling in the struct v4l2_capability device_caps
field, fill in the struct video_device device_caps field.
That way the V4L2 core knows what the capabilities of the
video device are.
But this only really works if all drivers use this, so convert
all pci drivers in this patch.
Tested with cx88-blackbird and ivtv PVR-350.
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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Merge tag 'v5.2-rc4' into media/master
There are some conflicts due to SPDX changes. We also have more
patches being merged via media tree touching them.
So, let's merge back from upstream and address those.
Linux 5.2-rc4
* tag 'v5.2-rc4': (767 commits)
Linux 5.2-rc4
MAINTAINERS: Karthikeyan Ramasubramanian is MIA
i2c: xiic: Add max_read_len quirk
lockref: Limit number of cmpxchg loop retries
uaccess: add noop untagged_addr definition
x86/insn-eval: Fix use-after-free access to LDT entry
kbuild: use more portable 'command -v' for cc-cross-prefix
s390/unwind: correct stack switching during unwind
block, bfq: add weight symlink to the bfq.weight cgroup parameter
cgroup: let a symlink too be created with a cftype file
drm/nouveau/secboot/gp10[2467]: support newer FW to fix SEC2 failures on some boards
drm/nouveau/secboot: enable loading of versioned LS PMU/SEC2 ACR msgqueue FW
drm/nouveau/secboot: split out FW version-specific LS function pointers
drm/nouveau/secboot: pass max supported FW version to LS load funcs
drm/nouveau/core: support versioned firmware loading
drm/nouveau/core: pass subdev into nvkm_firmware_get, rather than device
block: free sched's request pool in blk_cleanup_queue
pktgen: do not sleep with the thread lock held.
net: mvpp2: Use strscpy to handle stat strings
net: rds: fix memory leak in rds_ib_flush_mr_pool
...
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
The variable err is assigned with a value that is never read and
it is re-assigned a new value later on. The assignment is redundant
and can be removed.
Addresses-Coverity: ("Unused value")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Based on 3 normalized pattern(s):
this program is free software you can redistribute it and or modify
it under the terms of the gnu general public license as published by
the free software foundation either version 2 of the license or at
your option any later version this program is distributed in the
hope that it will be useful but without any warranty without even
the implied warranty of merchantability or fitness for a particular
purpose see the gnu general public license for more details
this program is free software you can redistribute it and or modify
it under the terms of the gnu general public license as published by
the free software foundation either version 2 of the license or at
your option any later version [author] [kishon] [vijay] [abraham]
[i] [kishon]@[ti] [com] this program is distributed in the hope that
it will be useful but without any warranty without even the implied
warranty of merchantability or fitness for a particular purpose see
the gnu general public license for more details
this program is free software you can redistribute it and or modify
it under the terms of the gnu general public license as published by
the free software foundation either version 2 of the license or at
your option any later version [author] [graeme] [gregory]
[gg]@[slimlogic] [co] [uk] [author] [kishon] [vijay] [abraham] [i]
[kishon]@[ti] [com] [based] [on] [twl6030]_[usb] [c] [author] [hema]
[hk] [hemahk]@[ti] [com] this program is distributed in the hope
that it will be useful but without any warranty without even the
implied warranty of merchantability or fitness for a particular
purpose see the gnu general public license for more details
extracted by the scancode license scanner the SPDX license identifier
GPL-2.0-or-later
has been chosen to replace the boilerplate/reference in 1105 file(s).
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Richard Fontana <rfontana@redhat.com>
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190527070033.202006027@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Add SPDX license identifiers to all Make/Kconfig files which:
- Have no license information of any form
These files fall under the project license, GPL v2 only. The resulting SPDX
license identifier is:
GPL-2.0-only
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Currently, the Kbuild core manipulates header search paths in a crazy
way [1].
To fix this mess, I want all Makefiles to add explicit $(srctree)/ to
the search paths in the srctree. Some Makefiles are already written in
that way, but not all. The goal of this work is to make the notation
consistent, and finally get rid of the gross hacks.
Having whitespaces after -I does not matter since commit 48f6e3cf5b
("kbuild: do not drop -I without parameter").
[1]: https://patchwork.kernel.org/patch/9632347/
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Checkpatch wants to use 'help' instead of '---help---':
WARNING: prefer 'help' over '---help---' for new help texts
Let's change it globally at the media subsystem, as otherwise people
would keep using the old way.
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Checking of kmalloc() seems to have been committed - as
cx23885_dvb_register() is checking for != 0 return, returning
-ENOMEM should be fine here. While at it address the coccicheck
suggestion to move to kmemdup rather than using kmalloc+memcpy.
Fixes: 46b21bbaa8 ("[media] Add support for DViCO FusionHDTV DVB-T Dual Express2")
Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Use codespell to fix lots of typos over frontends.
Manually verified to avoid false-positives.
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
It is reported that commit 95f408bbc4 ("media: cx23885: Ryzen DMA
related RiSC engine stall fixes") caused regresssions with other CPUs.
Ensure that the quirk will be applied only for the CPUs that
are known to cause problems.
A module option is added for explicit control of the behaviour.
Fixes: 95f408bbc4 ("media: cx23885: Ryzen DMA related RiSC engine stall fixes")
Signed-off-by: Brad Love <brad@nextdimension.cc>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
module.h already contained moduleparam.h, so it is safe to remove
the redundant include.
The issue is detected with the help of Coccinelle.
Signed-off-by: zhong jiang <zhongjiang@huawei.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Now vidioc_cropcap is only used to return the pixelaspect, so
rename it accordingly.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Tested-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
If g_selection is implemented, then the v4l2-ioctl cropcap code assumes
that cropcap just implements the pixelaspect part and that g_selection
provides the crop bounds and default rectangles.
There are still some drivers that only implement cropcap and not
g_selection. Split up cropcap into a cropcap and g_selection for those
drivers.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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Merge tag 'media/v4.20-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull new experimental media request API from Mauro Carvalho Chehab:
"A new media request API
This API is needed to support device drivers that can dynamically
change their parameters for each new frame. The latest versions of
Google camera and codec HAL depends on such feature.
At this stage, it supports only stateless codecs.
It has been discussed for a long time (at least over the last 3-4
years), and we finally reached to something that seem to work.
This series contain both the API and core changes required to support
it and a new m2m decoder driver (cedrus).
As the current API is still experimental, the only real driver using
it (cedrus) was added at staging[1]. We intend to keep it there for a
while, in order to test the API. Only when we're sure that this API
works for other cases (like encoders), we'll move this driver out of
staging and set the API into a stone.
[1] We added support for the vivid virtual driver (used only for
testing) to it too, as it makes easier to test the API for the ones
that don't have the cedrus hardware"
* tag 'media/v4.20-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (53 commits)
media: dt-bindings: Document the Rockchip VPU bindings
media: platform: Add Cedrus VPU decoder driver
media: dt-bindings: media: Document bindings for the Cedrus VPU driver
media: v4l: Add definition for the Sunxi tiled NV12 format
media: v4l: Add definitions for MPEG-2 slice format and metadata
media: videobuf2-core: Rework and rename helper for request buffer count
media: v4l2-ctrls.c: initialize an error return code with zero
media: v4l2-compat-ioctl32.c: add missing documentation for a field
media: media-request: update documentation
media: media-request: EPERM -> EACCES/EBUSY
media: v4l2-ctrls: improve media_request_(un)lock_for_update
media: v4l2-ctrls: use media_request_(un)lock_for_access
media: media-request: add media_request_(un)lock_for_access
media: vb2: set reqbufs/create_bufs capabilities
media: videodev2.h: add new capabilities for buffer types
media: buffer.rst: only set V4L2_BUF_FLAG_REQUEST_FD for QBUF
media: v4l2-ctrls: return -EACCES if request wasn't completed
media: media-request: return -EINVAL for invalid request_fds
media: vivid: add request support
media: vivid: add mc
...
The const array addr_list can be made static, saves populating it on
the stack and will make it read-only.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
This can be done with c99 initializers, which makes the code cleaner
and more transparent. It does require gcc 4.6, because of this bug
in earlier versions:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=10676
Since commit cafa0010cd ("Raise the minimum required gcc version to
4.6"), this is the case.
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
altera_hw_filt_init() which calls append_internal() assumes
that the node was successfully linked in while in fact it can
silently fail. So the call-site needs to set return to -ENOMEM
on append_internal() returning NULL and exit through the err path.
Fixes: 349bcf02e3 ("[media] Altera FPGA based CI driver module")
Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
The strcpy() function is being deprecated upstream. Replace
it by the safer strscpy().
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Reviewed-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
The implementation of strscpy() is more robust and safer.
That's now the recommended way to copy NUL terminated strings.
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Reviewed-by: Kees Cook <keescook@chromium.org>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Add a 'bool from_other_dev' argument: set to true if the two
handlers refer to different devices (e.g. it is true when
inheriting controls from a subdev into a main v4l2 bridge
driver).
This will be used later when implementing support for the
request API since we need to skip such controls.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Alexandre Courbot <acourbot@chromium.org>
Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
cx23885_reset() is never called in atomic context.
It calls mdelay() to busily wait, which is not necessary.
mdelay() can be replaced with msleep().
This is found by a static analysis tool named DCNS written by myself.
Signed-off-by: Jia-Ju Bai <baijiaju1990@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
cx23885_gpio_setup() is never called in atomic context.
It calls mdelay() to busily wait, which is not necessary.
mdelay() can be replaced with msleep() and usleep_range().
This is found by a static analysis tool named DCNS written by myself.
Signed-off-by: Jia-Ju Bai <baijiaju1990@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
altera_ci_slot_reset() is never called in atomic context.
It calls mdelay() to busily wait, which is not necessary.
mdelay() can be replaced with msleep().
This is found by a static analysis tool named DCNS written by myself.
Signed-off-by: Jia-Ju Bai <baijiaju1990@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
This script was moved out of Documentation/dvb, but the
links weren't updated.
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Acked-by: Jonathan Corbet <corbet@lwn.net>
Document what these two register calls are doing.
Signed-off-by: Brad Love <brad@nextdimension.cc>
Signed-off-by: Hans Verkuil <hansverk@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Include some additional useful registers in the output.
Signed-off-by: Brad Love <brad@nextdimension.cc>
Signed-off-by: Hans Verkuil <hansverk@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Currently mask is read for pci_status/ts1_status/ts2_status, but
otherwise ignored. The masks are now used to determine whether
action is warranted.
Signed-off-by: Brad Love <brad@nextdimension.cc>
Signed-off-by: Hans Verkuil <hansverk@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
On Ryzen systems interrupts are occasionally missed:
cx23885: cx23885_wakeup: [ffff99b384b83c00/28] wakeup reg=5406 buf=5405
cx23885: cx23885_wakeup: [ffff99b40bf79400/31] wakeup reg=9537 buf=9536
This patch loops up to five times on wakeup, marking any buffers
found done.
Since the count register is u16, but the vb2 counter is u32, some modulo
arithmetic is used to accommodate wraparound and ensure current active
buffer is the buffer expected.
Signed-off-by: Brad Love <brad@nextdimension.cc>
Signed-off-by: Hans Verkuil <hansverk@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Convert the driver to allow its usage with the new I2C
binding way.
Please notice that this patch doesn't convert the
callers to bind to it using the new way.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
From now on, I'll start using my @kernel.org as my development e-mail.
As such, let's remove the entries that point to the old
mchehab@s-opensource.com at MAINTAINERS file.
For the files written with a copyright with mchehab@s-opensource,
let's keep Samsung on their names, using mchehab+samsung@kernel.org,
in order to keep pointing to my employer, with sponsors the work.
For the files written before I join Samsung (on July, 4 2013),
let's just use mchehab@kernel.org.
For bug reports, we can simply point to just kernel.org, as
this will reach my mchehab+samsung inbox anyway.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: Brian Warner <brian.warner@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
The v4l2_subdev core s_power op was used for two different things: power on/off
sensors or video decoders/encoders and to put a tuner in standby (and only the
tuner!). There is no 'tuner wakeup' op, that's done automatically when the tuner
is accessed.
The danger with calling (s_power, 0) to put a tuner into standby is that it is
usually broadcast for all subdevs. So a video receiver subdev that supports
s_power will also be powered off, and since there is no corresponding (s_power, 1)
they will never be powered on again.
In addition, this is specifically meant for tuners only since they draw the most
current.
This patch adds a new tuner op called 'standby' and replaces all calls to
(core, s_power, 0) by (tuner, standby). This prevents confusion between the two
uses of s_power. Note that there is no overlap: bridge drivers either just want
to put the tuner into standby, or they deal with powering on/off sensors. Never
both.
This also makes it easier to replace s_power for the remaining bridge drivers
with some PM code later.
Whether we want something cleaner for tuners in the future is a separate topic.
There is a lot of legacy code surrounding tuners, and I am very hesitant about
making changes there.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Hauppauge produced a revision of ImpactVCBe using an 888,
with a 25MHz crystal, instead of using the default third
overtone 50Mhz crystal. This overrides that frequency so
that the cx25840 is properly configured. Without the proper
crystal setup the cx25840 cannot load the firmware or
decode video.
Signed-off-by: Brad Love <brad@nextdimension.cc>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Currently clk_freq is ignored entirely, because the cx235840 driver
configures the xtal at the chip defaults. This is an issue if a
board is produced with a non-default frequency crystal. If clk_freq
is not zero the cx25840 will attempt to use the setting provided,
or fall back to defaults otherwise.
Signed-off-by: Brad Love <brad@nextdimension.cc>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Proper cx2388x chip type is detected in cx25840 probe, the clock
rate is untouched however in probe. The cx25840 only checks for
non default clock values for 888 and provides custom settings for
25MHz 888. This change ensures that cx23888 chips with default 50MHz
crystals will not get configured as if they have 25MHz crystals. A
cx23887 board will continue to be configured for 25MHz crystal as
there is no custom clock support included for it.
Signed-off-by: Brad Love <brad@nextdimension.cc>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
The GPIO settings for quadHD boards are wrong. Fix them.
Signed-off-by: Brad Love <brad@nextdimension.cc>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Add new QuadHD digital only PCIe boards to driver list.
Differentiate them from 888 digital/analog QuadHD models.
Signed-off-by: Brad Love <brad@nextdimension.cc>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Add new PCIe DVB-S/S2.
A single port Hauppauge HVR-5525
cx23885 + a8293 + m88rs6000t
Signed-off-by: Brad Love <brad@nextdimension.cc>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Hans Verkuil